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WO2018065007A1 - Actionneur pour un embrayage - Google Patents

Actionneur pour un embrayage Download PDF

Info

Publication number
WO2018065007A1
WO2018065007A1 PCT/DE2017/100815 DE2017100815W WO2018065007A1 WO 2018065007 A1 WO2018065007 A1 WO 2018065007A1 DE 2017100815 W DE2017100815 W DE 2017100815W WO 2018065007 A1 WO2018065007 A1 WO 2018065007A1
Authority
WO
WIPO (PCT)
Prior art keywords
seal
actuator
pressure medium
piston
sealing surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DE2017/100815
Other languages
German (de)
English (en)
Inventor
Lászlo Mán
Peter Greb
Dietmar Rudy
Lars Schumann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to DE112017005069.3T priority Critical patent/DE112017005069A5/de
Priority to CN201780062023.7A priority patent/CN109844343B/zh
Priority to KR1020197009549A priority patent/KR102480373B1/ko
Publication of WO2018065007A1 publication Critical patent/WO2018065007A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D29/00—Clutches and systems of clutches involving both fluid and magnetic actuation
    • F16D29/005—Clutches and systems of clutches involving both fluid and magnetic actuation with a fluid pressure piston driven by an electric motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/005—With rotary or crank input
    • F15B7/006—Rotary pump input
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/06—Details
    • F15B7/08—Input units; Master units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D28/00—Electrically-actuated clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • F16H25/2418—Screw seals, wipers, scrapers or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H35/00—Gearings or mechanisms with other special functional features
    • F16H35/18—Turning devices for rotatable members, e.g. shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D2025/081—Hydraulic devices that initiate movement of pistons in slave cylinders for actuating clutches, i.e. master cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/02—Fluid-pressure mechanisms
    • F16D2125/08—Seals, e.g. piston seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2247—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers
    • F16H25/2252—Planetary rollers between nut and screw

Definitions

  • the invention relates to an actuator with a housing having a housing interior, wherein in the housing interior, a drive unit and a piston-cylinder unit and a pressure medium reservoir are arranged.
  • the actuator is in particular for actuating a clutch, for. B. a friction clutch, a motor vehicle.
  • the drive unit is in particular a rotor of an electric motor, wherein a volume of a pressure medium can be displaced toward a slave cylinder of an actuating device of a clutch by converting the rotational movement of the rotor into a translational movement of a piston.
  • the friction clutch is provided in particular for a drive train of a motor vehicle.
  • the friction clutch is arranged in particular between a drive device of the motor vehicle and a transmission and transmits a torque for driving the motor vehicle.
  • the actuating device comprises in particular a master cylinder which can be actuated by a clutch pedal, an actuator and a slave cylinder provided for actuating the friction clutch, which are connected to one another via pressure lines, wherein the slave cylinder can be actuated by the master cylinder and possibly by the actuator.
  • the pressure lines are filled with a pressure medium (eg an oil) so that the slave cylinder can be actuated by actuation of the master cylinder or of the actuator and thus the friction clutch can be opened or closed.
  • a pressure medium eg an oil
  • actuating devices with a master cylinder and a slave cylinder which are connected to each other via pressure lines.
  • the master cylinder is actuated by means of a clutch pedal by a driver of the motor vehicle.
  • the fluid is displaced from the master cylinder via the pressure line to the slave cylinder, which disengages the friction clutch and / or engages.
  • the slave cylinder may be, for example, a central release device (CSC- concentric slave cylinder).
  • CSC- concentric slave cylinder central release device
  • This actuator enables a so-called “sailing function", by means of which the drive unit of the motor vehicle can be switched off by opening the friction clutch during coasting of the motor vehicle Slave cylinder so connected to the master cylinder and the actuator, that both the master cylinder and the actuator to drive the slave cylinder and thus actuate the friction clutch
  • the master cylinder and the actuator are arranged in series, so that a transfer between the actuator and the master cylinder and As a result, the driver can still actuate the friction clutch even when the actuator has actuated the (normally closed) friction clutch.
  • the actuator according to WO 2015/149777 A1 comprises a housing with a housing interior, wherein in the housing interior a drive unit and a piston-cylinder unit and a pressure medium reservoir are arranged.
  • the piston-cylinder unit has a cylinder chamber with a piston displaceable therein along an axial direction, wherein the cylinder chamber is a part of the housing interior and forms a pressure chamber with a first seal cooperating with the piston.
  • the pressure medium in the pressure chamber is displaced by displacement of the piston in the axial direction to a slave cylinder.
  • the pressure medium reservoir forms a common volume with the cylinder space.
  • the pressure medium also acts on the drive unit and the transmission.
  • the object of the present invention is to at least partially solve the problems known from the prior art.
  • an actuator is to be proposed in which the drive unit is arranged in a housing interior but is not acted upon by a pressure medium.
  • the invention relates to an actuator with a housing having a housing interior, wherein in the housing interior, a drive unit and a piston-cylinder unit and a pressure medium reservoir are arranged, wherein the piston-cylinder unit has a cylinder chamber with a displaceable therein, along an axial direction piston, wherein the cylinder space is a part of the housing interior and forms a pressure chamber with a cooperating with the piston first seal, wherein the pressure medium reservoir with the cylinder chamber forms a common volume; wherein for sealing the drive unit relative to the pressure medium reservoir, a second seal is provided.
  • the second seal proposed here is the drive unit, in particular an electric motor with a stator and a rotor and a transmission for converting the rotational movement of the electric motor in a translational movement z.
  • B. has a threaded spindle, separate from the common volume of pressure medium reservoir and cylinder space, which is filled with the pressure medium.
  • only one transmission of the drive unit is separated by the second seal from the common volume of pressure medium reservoir and cylinder space which is filled with the pressure medium.
  • the drive unit (that is, for example, the electric motor and / or a transmission) has its own lubrication with a lubricant (eg, another oil or a grease), with mixing of the lubricant with the pressure medium (ie, a passage the lubricant via the second seal in the pressure medium reservoir and / or a passage of the pressure medium via the second seal towards the drive unit) is prevented or at least delayed by the second seal.
  • a lubricant eg, another oil or a grease
  • the drive unit has a threaded spindle drive with a threaded spindle connected to the piston and displaceable along the axial direction.
  • Such threaded spindle drives are known.
  • the spindle nut is fixed in the axial direction and drives a cooperating with the spindle nut threaded spindle, which is thus displaced along the axial direction.
  • the threaded spindle drive on a Planetenracelzgewindespindel PWG
  • the rotor of the electric motor is rotatably connected to a sleeve of a planetary gear, which comprises the Planetendoilzgewindespindel, and supported in the sleeve planet carrier, so that, in particular rotatably supported Planetenskylzgewindespindel upon rotation of the rotor and supported in the planet carrier planet gears in the axial direction is displaced.
  • the planetary roller screw is connected to the piston and displaces it along the axial direction.
  • the second seal is a labyrinth seal.
  • a labyrinth seal (also gap seal) is in particular a non-contact shaft seal.
  • the sealing effect is based on the extension of a flow path through the gap to be sealed, whereby the flow resistance is substantially increased.
  • the extension is usually by a meshing ("concealment") of Forming elements on the shaft and the stationary housing part achieved.
  • the gap to be sealed is additionally coated with a lubricant, for. B. a fat, so that a pressure medium from the pressure medium reservoir can not penetrate the gap.
  • the second seal forms an internal thread, which cooperates with an external thread of the threaded spindle or the Planetenskylzgewindespindel.
  • Such a configuration of the second seal also constitutes a labyrinth seal.
  • the second seal is an integral part of the threaded spindle drive.
  • Integral component means in particular that the second seal is already installed in the threaded spindle drive and is only arranged together with the threaded spindle drive in the actuator.
  • the second seal forms a first sealing surface, with a fixedly arranged in the axial direction of the first member of the actuator, and a second sealing surface, with a displaceable along the axial direction of the second component of the actuator, and has between the first sealing surface and the second sealing surface on a flexible connection area.
  • the flexible connection region bridges the region between the first sealing surface and the second sealing surface even during a displacement of the second sealing surface in the axial direction.
  • the second sealing surface is arranged in particular on a threaded spindle or on the piston.
  • the second seal on at least one of the first sealing surface and the second sealing surface per two sealing elements, wherein the first sealing element is provided for sealing against the pressure medium reservoir and the second sealing element for sealing against a lubricant of the drive unit.
  • the flexible connection region has a first material which is resistant to the pressure medium on a first side facing the pressure medium reservoir and on a second side facing the lubricant of the drive unit, a second material resistant to the lubricant.
  • the second seal on at least one of the first sealing surface and the second sealing surface on a mechanical clamping element that causes a pressing of the second seal to the first component or the second component.
  • an actuating device which comprises an actuatable by a clutch pedal master cylinder, an actuator according to the invention and a provided for actuating the friction clutch slave cylinder, which are interconnected via pressure lines, wherein the slave cylinder is actuated by the master cylinder and possibly by the actuator.
  • the actuating device is used in a motor vehicle for actuating a friction clutch.
  • FIG. 1 shows an actuator with a second seal according to a first embodiment, in a side view in section
  • FIG. 3 a detail of Fig. 1; 4 shows a detail of FIG. 1, with a second seal according to a second embodiment variant; FIG. and
  • FIG 5 shows an actuator with a second seal according to a second embodiment variant.
  • Fig. 1 shows an actuator 1 with a second seal 12 according to a first embodiment, in a side view in section.
  • the actuator 1 is a clutch actuator, wherein the actuator 1 comprises an electric motor as a drive unit 4, with a stator 32 and a rotor 33, and a threaded spindle drive 13.
  • the rotor 33 is rotatably connected to a sleeve 36 and the planet carrier supported in the sleeve 36, so that a Planetenéelzgewindespindel 15 upon rotation of the rotor 33 and the planet carrier 35 and upon rotation of the planet gears 37 in the axial direction 8 is displaceable.
  • the actuator 1 comprises a housing 2, which has a housing interior 3, wherein in the housing interior 3, a drive unit 4 and a piston-cylinder unit 5 and a pressure medium reservoir 6 are arranged.
  • the piston-cylinder unit 5 has a cylinder chamber 7 with a piston 9 displaceable therein along an axial direction 8, wherein the cylinder chamber 7 is a part of the housing interior 3 and forms a pressure chamber 11 with a first seal 10 cooperating with the piston 9.
  • the pressure medium reservoir 6 forms with the cylinder chamber 7 a common volume.
  • a second seal 12 is provided for sealing the drive unit 4 with respect to the pressure medium reservoir 6.
  • the now proposed second seal 12 separates the drive unit 4 from the common volume of pressure medium reservoir 6 and cylinder chamber 7, which is filled with the pressure medium 27.
  • the drive unit 4 comprises an electric motor with a stator 32 and a rotor 33 and a gear (here a threaded spindle drive 13 with a Planetenskylzgewindespindel 15 as a threaded spindle 14) for converting the rotational movement of the electric motor in a translational movement of a threaded spindle fourteenth
  • the drive unit 4 has its own lubrication with a lubricant 25 (eg another oil or a grease), wherein a mixing of the lubricant 25 with the pressure medium 27 (ie a passage of the lubricant 25 through the second seal 12 into the pressure medium reservoir 6 and / or a passage of the pressure medium 27 via the second seal 12 toward the drive unit 3) by the second seal 12 is prevented or at least delayed.
  • a lubricant 25 eg another oil or a grease
  • the drive unit 4 has a threaded spindle drive 13 with a, connected to the piston 9, along the axial direction 8 displaceable threaded spindle 14.
  • Fig. 2 shows a threaded spindle operation 13 in a perspective view.
  • the threaded spindle drive 13 of the drive unit 4 has a threaded spindle outlet 31 and the second seal 12, which is designed here as an internal thread 16.
  • Fig. 3 shows a detail of Fig. 1.
  • the second seal 12 is designed as a labyrinth seal.
  • the second seal 12 forms an internal thread 16, which cooperates with an external thread 17 of the threaded spindle 14 or the Planetenskylzgewindespindel 15.
  • the second seal 12 is here an integral part of the threaded spindle drive 13. Integral component means that the second seal 12 is already installed in the threaded spindle drive 13 and is only arranged together with the threaded spindle drive 13 in the actuator 1.
  • FIG. 4 shows a detail of FIG. 1, with a second seal 12 according to a second embodiment variant.
  • 5 shows an actuator 1 with a second seal 12 according to a second embodiment variant.
  • FIGS. 4 and 5 will be described together below.
  • the second seal 12 forms a first sealing surface 18, with a first component 19 of the actuator 1 arranged stationary in the axial direction 8, and a second sealing surface 20, with a second component 21 of the actuator 1 which can be displaced along the axial direction 8 has between the first sealing surface 18 and the second sealing surface 20 on a flexible connecting portion 22.
  • the flexible connection region 22 spans the region between the first sealing surface 18 and the second sealing surface 20 even during a displacement of the second sealing surface 20 in the axial direction 8.
  • the second sealing surface 20 is arranged on the threaded spindle 14.
  • the second seal 12 has two sealing elements 23, 24 on the first sealing surface 18 and on the second sealing surface 20, wherein the first sealing element 23 is provided for sealing against the pressure medium reservoir 6 and the second sealing element 24 for sealing against the lubricant 25 of the drive unit 4 is.
  • the flexible connection region 22 On a first side 26 facing the pressure medium reservoir 6, the flexible connection region 22 has a first material 28 which is resistant to the pressure medium 27 and a second side 29 which faces the lubricant 25 of the drive unit 4 a resistant to the lubricant 25 (different from the first material 28). second material 30.
  • the second seal 12 on the first sealing surface 18 and the second sealing surface 20 each have a mechanical clamping element 34 that causes a pressing of the second seal 12 to the first component 19 and to the second component 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Transmission Devices (AREA)

Abstract

L'invention concerne un actionneur comprenant un carter présentant un compartiment intérieur dans lequel sont disposés une unité d'entraînement, une unité piston-cylindre et un réservoir à fluide sous pression, l'unité piston-cylindre présentant une chambre de cylindre dans laquelle un piston peut se déplacer le long d'une direction axiale, la chambre de cylindre faisant partie du compartiment intérieur de carter et formant une chambre de pression avec un premier élément d'étanchéité coopérant avec le piston, le réservoir à fluide sous pression formant un volume commun avec la chambre de cylindre. Un deuxième élément d'étanchéité sert à assurer l'étanchéité de l'unité d'entraînement par rapport au réservoir à fluide sous pression.
PCT/DE2017/100815 2016-10-06 2017-09-25 Actionneur pour un embrayage Ceased WO2018065007A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112017005069.3T DE112017005069A5 (de) 2016-10-06 2017-09-25 Aktor für eine Kupplung
CN201780062023.7A CN109844343B (zh) 2016-10-06 2017-09-25 用于离合器的执行器
KR1020197009549A KR102480373B1 (ko) 2016-10-06 2017-09-25 클러치용 액추에이터

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016219323.6 2016-10-06
DE102016219323.6A DE102016219323B4 (de) 2016-10-06 2016-10-06 Aktor, insbesondere für eine Kupplung

Publications (1)

Publication Number Publication Date
WO2018065007A1 true WO2018065007A1 (fr) 2018-04-12

Family

ID=60153018

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2017/100815 Ceased WO2018065007A1 (fr) 2016-10-06 2017-09-25 Actionneur pour un embrayage

Country Status (4)

Country Link
KR (1) KR102480373B1 (fr)
CN (1) CN109844343B (fr)
DE (2) DE102016219323B4 (fr)
WO (1) WO2018065007A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021189316A1 (fr) * 2020-03-25 2021-09-30 舍弗勒技术股份两合公司 Actionneur hydraulique ayant un filtre magnétique et mécanisme d'actionnement d'embrayage hydraulique
CN111998013B (zh) * 2020-08-26 2025-06-27 浙江科博达工业有限公司 离合器执行器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015202270A1 (de) * 2014-03-05 2015-09-10 Schaeffler Technologies AG & Co. KG Planetenwälzgewindespindel (PWG)
WO2015149777A1 (fr) 2014-04-01 2015-10-08 Schaeffler Technologies AG & Co. KG Actionneur de commande
DE102015201546A1 (de) * 2015-01-29 2016-08-04 Schaeffler Technologies AG & Co. KG Geberzylinder

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
GB1496154A (en) * 1974-05-08 1977-12-30 Girling Ltd Vehicle disc brakes
US4175475A (en) * 1977-11-30 1979-11-27 General Motors Corporation Worm thread seal for steering gear
DE19741867C1 (de) * 1997-09-23 1998-06-18 Daimler Benz Ag Bremsaktuator
JP2004028169A (ja) * 2002-06-24 2004-01-29 Smc Corp 電動アクチュエータ
DE112010004215A5 (de) * 2009-10-29 2012-08-23 Schaeffler Technologies AG & Co. KG Hydrostataktor
US10487926B2 (en) * 2014-02-06 2019-11-26 Schaeffler Technologies AG & Co. KG Actuator with planetary screw drive (PSD)
JP2016022753A (ja) * 2014-07-16 2016-02-08 Ntn株式会社 電動アクチュエータ
DE102015201600B4 (de) 2015-01-30 2026-01-29 Schaeffler Technologies AG & Co. KG Aktor mit Planetenwälzgewindespindel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015202270A1 (de) * 2014-03-05 2015-09-10 Schaeffler Technologies AG & Co. KG Planetenwälzgewindespindel (PWG)
WO2015149777A1 (fr) 2014-04-01 2015-10-08 Schaeffler Technologies AG & Co. KG Actionneur de commande
DE102015201546A1 (de) * 2015-01-29 2016-08-04 Schaeffler Technologies AG & Co. KG Geberzylinder

Also Published As

Publication number Publication date
CN109844343A (zh) 2019-06-04
KR20190065268A (ko) 2019-06-11
KR102480373B1 (ko) 2022-12-23
CN109844343B (zh) 2021-02-02
DE112017005069A5 (de) 2019-06-19
DE102016219323A1 (de) 2018-04-12
DE102016219323B4 (de) 2018-06-07

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